<template>
    <div>
        <!-- 查询 -->
        <el-form ref="searchForm" :inline="true" :model="searchMap" style="margin-top: 20px">
            <!-- 重置会看 el-form-item 组件元素的 prop 上是否指定了字段名，指定了才会重置生效 -->
            <el-form-item prop="name">
                <el-input v-model="searchMap.name" placeholder="用户名字" style="width: 200px"></el-input>
            </el-form-item>
            <el-form-item prop="deptId" label="请选择部门">
                <!-- <el-input v-model="searchMap.deptId" placeholder="部门id" style="width: 200px"></el-input> -->
								<el-cascader
								           v-model="searchMap.deptId"
								           :options="costData"
								           :show-all-levels="false"
								           :props="{ checkStrictly: true, emitPath: false }"
								           clearable
								           filterable
													 @change="changeDeptId"
								         ></el-cascader>
            </el-form-item>        
            <el-form-item>
                <el-button type="primary" @click="fetchData" >查询</el-button>
                 <el-button type="primary" @click="handleAdd" >新增</el-button>
                <el-button  @click="resetForm('searchForm')" >重置</el-button>
            </el-form-item>
        </el-form>
        <!-- 表格 -->
        <el-table
            :data="list"
            height="600"
            border
            style="width: 100%">
            <!-- type="index"获取索引值，从1开始 ，label显示标题，prop 数据字段名，width列宽 -->
            <el-table-column type="index" label="序号" width="150"></el-table-column>
            <el-table-column prop="name" label="用户名字" width="200"></el-table-column>
            <el-table-column prop="dept.name" label="所属部门" width="200"></el-table-column>
            <el-table-column prop="imgUrl" label="用户图片" align="center">
                <template scope="scope">
                    <el-image :src="scope.row.imgUrl" style="width: 100px;height:100px;margin-left:10px"></el-image> 
                </template>
            </el-table-column>
             <el-table-column label="操作" width="150">
                <template slot-scope="scope">
                    <el-button
                    size="mini"
                    @click="handleEdit(scope.row.id)">编辑</el-button>
                    <el-button
                    size="mini"
                    type="danger"
                    @click="handleDelete(scope.row.id)">删除</el-button>
                </template>
             </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="searchMap.page"
            :page-sizes="[10, 20, 50]"
            :page-size="searchMap.size"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
        </el-pagination>
        <!-- 弹出新增窗口 
        title 窗口的标题
        :visible.sync 当它true的时候，窗口会被弹出
        -->
        <el-dialog title="用户编辑" :visible.sync="dialogFormVisible" width="500px">
            <el-form 
            ref="pojoForm"
            label-width="100px"
            label-position="right"
            style="width: 400px;"
            :model="pojo">
                <el-form-item label="用户姓名" prop="name" >
                <el-input v-model="pojo.name" ></el-input>
                </el-form-item>

                <el-form-item label="用户部门" prop="deptId" >
                <el-input v-model="pojo.deptId" ></el-input>
                </el-form-item>

                <el-form-item label="用户图片" prop="img64" >
                 <el-upload action='' :on-change="getFile" :limit="1" list-type="picture" :auto-upload="false">
                    <el-button size="small" type="primary">选择图片上传,最多上传一张图片</el-button>
                </el-upload>

                </el-form-item>
                
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <!-- <el-button type="primary" @click="addData('pojoForm')">确 定</el-button> -->
                <el-button type="primary" @click="pojo.id === null ? addData('pojoForm'): updateData('pojoForm')">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>
<script>
import personApi from '@/api/person'

export default {
    data() {
        return {
            list: [],
            total: 0, // 总记录数
            //curent: 1,
            //size: 5,
            //currentPage: 1, // 当前页码 
            //pageSize: 20, // 每页显示10条数据,
            searchMap: { // 条件查询绑定的条件值
                deptId: null,
                name: null,
                page: 1,
                size: 10
            }, 
            dialogFormVisible: false, //控制对话框
            pojo: {
                id: null,
                name: null,
                deptId: null,
                img64: null,
            }, // 提交的数据
						costData:[],  //部门下拉数据
            
        }
    },

    created(){   
        this.fetchData()
				this.getDepartment()
    },

    methods:{  
			// 获取所有部门数据
				getDepartment(){
					personApi.getDepartment().then(res =>{
						 this.costData = this.formatJson(res.data.data);
						console.log('---res---',res.data)
						console.log('---res1---',this.costData)
					})
				},
				//将多维数组转换为el-cascader识别的数组格式{value:'',name:'',children:[]}
				    formatJson(data) {
				      return data.map((t) => {
				        if (t.children.length > 0) {
				          //如果有子节点时将重组子节点中的数据
				          return {
				            value: t.id,
				            label: t.name,
				            children: this.formatJson(t.children),
				          };
				        } else {
				          return { value: t.id, label: t.name };
				        }
				      });
				    },
						changeDeptId(id){
							this.searchMap.deptId == id
							console.log('---666---',id,this.searchMap.deptId)
						},
						
						
        getFile(file, fileList) {
            this.getBase64(file.raw).then(res => {
                this.pojo.img64 = res;
            });
        },
        getBase64(file) {
            return new Promise(function(resolve, reject) {
                let reader = new FileReader();
                let imgResult = "";
                reader.readAsDataURL(file);
                reader.onload = function() {
                imgResult = reader.result;
                };
                reader.onerror = function(error) {
                reject(error);
                };
                reader.onloadend = function() {
                resolve(imgResult);
                };
            });
        },

        fetchData() {
            personApi.search(this.searchMap).then(response =>{
                const resp = response.data
                // console.log(resp.data.rows)
                this.list = resp.data.list
                this.total = resp.data.total
            })
        },
        // 当每页显示条数改变后,被触发 , val是最新的每页显示条数
        handleSizeChange(val) {
            // console.log(val)
            this.searchMap.size = val
            this.fetchData()
        },
        // 当页码改变后,被触发 , val 是最新的页面
        handleCurrentChange(val) {
            // console.log(val)
            this.searchMap.page = val
            this.fetchData()
        },
        
        //重置
        resetForm(formName) {
            console.log('重置', formName)
            // 重置会看 el-form-item 组件元素的 prop 上是否指定了字段名，指定了才会重置生效
            this.$refs[formName].resetFields()
        },
        // 提交新增数据
        addData(formName) {
            this.$refs[formName].validate(valid => {
                if(valid){
                    //提交表单
                    //console.log('addData')
                    personApi.add(this.pojo).then(response => {
                        const resp = response.data
                        if(resp.flag) {
                            //新增成功，刷新列表数据
                            this.fetchData()
                            this.dialogFormVisible = false // 关闭窗口
                            this.$message({
                                message: '添加成功',
                                type: 'success'
                            })
                        }else {
                            // 失败，来点提示信息
                            this.$message({
                                message: resp.msg,
                                type: 'warning'
                            })
                        }
                    })
                }else {
                    return false
                }
            })
        },
        // 弹出新增窗口
        handleAdd() {
            console.log(this.pojo)
            // this.pojo = {}
            this.dialogFormVisible = true
            this.$nextTick(() => { 
                // this.$nextTick()它是一个异步事件，当渲染结束 之后 ，它的回调函数才会被执行
                // 弹出窗口打开之后 ，需要加载Dom, 就需要花费一点时间，我们就应该等待它加载完dom之后，再进行调用resetFields方法，重置表单和清除样式
                this.$refs['pojoForm'].resetFields()
            })
            
        },
        
        // 打开编辑窗口
        handleEdit(id) {
            //console.log('编辑', id)
           this.handleAdd()
            personApi.getById(id).then(response => {
                const resp = response.data
                if(resp.flag) {
                    const img64t = this.pojo.img64
                    this.pojo = resp.data
                    this.pojo.img64 = img64t
                    //console.log(this.pojo)
                }
            })
        },

        updateData(formName) {
            //console.log('updateData')
            this.$refs[formName].validate(valid => {
                if(valid){
                    // 提交更新
                    console.log(this.pojo)
                    personApi.update(this.pojo).then(response => {
                        const resp = response.data
                        if(resp.flag) {
                            // 刷新列表
                            this.fetchData()
                            this.dialogFormVisible = false
                            this.$message({
                                message: '修改成功',
                                type: 'success'
                            })
                        }else {
                            this.$message({
                                message: resp.message,
                                type: 'warning'
                            })
                        }
                    })

                }else {
                    return false
                }
            })
        },
        // 删除会员
        handleDelete(id) {
            console.log('删除', id)
            this.$confirm('确认删除这条记录吗？', '提示', {
                confirmButtonText: '确认',
                cancelButtonText: '取消',
            }).then(() => {
                // 确认
                //console.log('确认')
                personApi.deleteById(id).then(response => {
                    // console.log(response)
                    const resp = response.data

                    this.$message({
                        message: resp.message,
                        type: resp.flag ? 'success': 'error'
                    })

                    if(resp.flag) {
                        // 删除成功，刷新列表数据
                        this.fetchData()
                        this.$message({  
                            message: '删除成功',
                            type: 'success'
                        })
                    }
                })
            }).catch(() => {
                // 取消，不用理会
                console.log('取消')
            })
        },

    }
}
</script>

